ALAPPUZHA: A CPM branch secretary was hacked in Alappuzha. He has been identified as Suresh, Sathanthapuram C branch secretary. Seriously injured Suresh has been admitted in the hospital and was subjected for an emergency operation. Manu Satheesh, Suresh’s nephew has been taken into custody. Personal enmity is the reason for the attack. Manu arrested is an accused in various criminal cases.